- Category: Water Feature
- Type: Bay
- Latitude/Longitude: 51°58'31"N 5°5'2"W
- Eastings/Northings: 188272, 235269
- OS Grid: SM882352
- Mapcode Local: GBR CF.KML8
- Mapcode Global: VH1QK.TLLY
Location and coordinates are for the approximate centre of Porth Dwgan within this administrative area.
Geographic features and populated places may cross administrative borders.